Desire Devil, Boshokku

[AUTO]:When this unit is rode upon by "Avaricious Demonic Dragon, Greedon", [COST][put a card from your hand into your soul], search your deck for a card with the same card name as this card, reveal it and put it into your hand, and shuffle your deck. [CONT](Soul):During your turn, if your damage zone has four or more cards, the "Avaricious Demonic Dragon, Greedon" on your (VC) gets [Power] +5000.